908560

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:331

約数の個数: 40

約数和(自身を含む): 2171736

約数和(自身を除く): 1263176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 277, 328, 410, 554, 656, 820, 1108, 1385, 1640, 2216, 2770, 3280, 4432, 5540, 11080, 11357, 22160, 22714, 45428, 56785, 90856, 113570, 181712, 227140, 454280, 908560]

約数ペア:

[(1, 908560), (2, 454280), (4, 227140), (5, 181712), (8, 113570), (10, 90856), (16, 56785), (20, 45428), (40, 22714), (41, 22160), (80, 11357), (82, 11080), (164, 5540), (205, 4432), (277, 3280), (328, 2770), (410, 2216), (554, 1640), (656, 1385), (820, 1108)]